About to E721 E129
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E129系とE721系の違いを徹底解説！ 似ているけど別物！
![[VVVF] E721系・E129系・HB-E210系VVVFサウンド集](https://i.ytimg.com/vi/LmYCHgHuugM/mqdefault.jpg)
[VVVF] E721系・E129系・HB-E210系VVVFサウンド集
E129系乗降促進メロディ(乗降案内)「Water Crown」
【三菱IGBT】E721系1000代P4-3編成走行音 / JRE721-1000 sound
JR East E721 Series - Commuter Train in Japan 2017
E721系 E129系 OTOTETSU再現
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Last Updated: August 24, 2026
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